33results about How to "Prevent affecting the welding effect" patented technology

The invention belongs to the technical field of plastics, and particularly relates to a plastic tube hot-melting welding machine. The plastic tube hot-melting welding machine comprises a mounting shell, a return spring, a hot-melting block, driving arms, a limiting plate, a driving mechanism, a trigger mechanism and a driving swing rod. The plastic water tube welding machine firstly controls the driving swing rod to swing downward so that a fuser can heat two plastic tubes, and then controls the driving swing rod to swing upward so that the two driving arms can drive the plastic tubes to firstmove to both sides, and then the driving swing rod can swing upward to control the hot-melting block to move upward; when the hot-melting block is completely moved to the upper side, the driving swing rod is driven to swing downward again, and the driving swing rod swings to control the two driving arms to drive the plastic tubes to move, and finally the contact pressure is applied to weld the two plastic tubes together; the situation that tube openings cannot be aligned because the two plastic tubes are artificially stressed, the welding effect is influenced, and leakage of the welding is caused is reduced; and meanwhile, the situation that the welding effect is influenced due to the curing of originally heated plastic tubes due to two times of heating is prevented.

The invention relates to the technical field of pipeline welding, in particular to a flange welding and forming machine for elbow connection, comprising a base plate, a clamping unit and a welding unit, the clamping unit is installed on the top of the base plate, and the welding unit is arranged on the clamping unit; The present invention has the following problems: the existing fixture cannot adjust the angle between the elbow and the flange according to the welding requirements, so that welding deviation is easy to occur, and when the workers weld the flange and the elbow, they cannot achieve circumferential welding, thus affecting the The welding efficiency of the flange and the elbow is improved, and there are certain safety hazards when workers weld; the invention can adjust the angle between the rotating plate and the elbow, which is convenient for aligning the elbow and the flange, thereby reducing the Deviation during welding of the elbow and the flange; the invention can perform circumferential welding on the butt joint of the elbow and the flange, can improve welding efficiency, and can avoid potential safety hazards during manual welding.

The invention provides a brazed layer predeposition method, which comprises the following steps: A: vacuum sputtering coating a seed layer, and B: depositing each layer through a manner of sequentially alternating a gold layer and a tin layer. Through the scheme, the brazed layer predeposition method not only solves the problems existed in the prior art, and has the obvious advantages that aiming at a hybrid integrated circuit adopting braze, a process method by adopting soldering paste or soldering flux pieces in traditional soldering is improved, a layer of soldering flux layer with each component weight ratio being equivalent to components of the soldering flux pieces is deposited on a circuit soldering face (generally refers to a back face), the circuit can be directly placed on a soldering position when soldering is carried out, and soldering is realized through heating. Due to the technology, the processing workload for forming the soldering flux pieces can be reduced, and wastes caused by position offset among soldering positions, the soldering flux pieces, and the circuit to be soldered when soldering is carried out can be reduced.

The invention relates to the technical field of tooling processing of petroleum accessories, in particular to a thin steel plate welding equipment for tooling processing of petroleum accessories, which includes a base, a fixing unit and a welding unit, the fixing unit is installed inside the base, and the welding unit is arranged on the base Right end; the present invention can solve the problems existing in the welding between thin steel plates: two thin steel plates are usually butted manually, so that the angle between the steel plates cannot be effectively controlled, so that the two thin steel plates lack precision when butt jointed, and it is easy to cause two Large gaps and dislocations appear at the joints of the two thin steel plates, thereby affecting the welding effect; the present invention can respectively limit and fix the two thin steel plates, so that the stability of the thin steel plates during welding can be improved, thereby avoiding welding defects; The invention can adjust the angle between two thin steel plates, thereby enhancing the welding effect and improving the applicability of the equipment.

The invention discloses a novel pressure welding system. The novel pressure welding system comprises a cleaning unit for cleaning impurities on surfaces of to-be-machined workpieces and a pressure welding unit for performing pressure welding operation on the workpieces, wherein the pressure welding unit comprises a rack, a workbench arranged on the rack, a pressure welding power arm capable of acting along the rack up and down, a pressure welding assembly connected with the pressure welding power arm, a heating structure for heating the pressure welding assembly as well as a first drive part for driving the pressure welding power arm to act up and down; the pressure welding assembly comprises a pressure welding head and a pressure dispersion part connected to the pressure welding power arm through an elastic part, and in the initial state, the pressure dispersion part is located below a pressure welding head and above the workbench. The novel pressure welding system can effectively disperse pressure applied by the pressure welding head to the workpieces, prevent workpiece deformation or damage caused by over-high pressure on to-be-welded positions and reduce the scrap rate of the workpieces; the pressure welding position is accurate and the welding quality and efficiency are improved.

The invention provides a rotary tungsten electrode TIG welding system for welding the inner wall of an extremely small diameter pipe, which is characterized in that it comprises a rotary tungsten electrode TIG welding torch, a high-frequency inverter welding power source, a water cooling device and a protective gas supply device; The variable welding power source includes the main circuit of the power source and the welding control device; the rotating tungsten electrode TIG welding torch includes a conductive rod with a tungsten electrode and a rotary device; the conductive rod is connected with the main circuit of the power source; the main circuit of the power source and the rotary device are respectively connected with the welding control device; The welding control device is connected with the conductive rod through the high-frequency arc striking module; the shielding gas supply device and the water cooling device are respectively connected with the conductive rod. The system can realize the welding of the inner wall of extremely small-diameter pipe fittings, and can solve the problem of water cooling and air supply in narrow spaces. The structure is ingenious and flexible, and has good adaptability to wide working conditions.

The invention relates to an adjustable support for a welder to exercise welding. The adjustable support comprises a frame body, wherein a fixed plate is connected to the frame body; a plurality of fixing pieces are arranged on the side face of the fixed plate; a connecting rod is rotatably connected to the side face of the fixed plate; a clamp is rotatably connected to the connecting rod. According to the adjustable support, the angle of a test plate can be easily and randomly adjusted, the examination time can be saved, and exams of various angles can be conveniently carried out for the welder.

The invention discloses an excavating bucket welding device for earth-rock construction engineering machinery, which comprises a base, four hydraulic oil cylinders distributed equidistantly on the left side of the top of the base, and the tops of the four hydraulic oil cylinders are hinged with the same placement groove , the right side of the top of the base is provided with a mechanical arm, and the top of the mechanical arm is sequentially connected with a vacuum cover and an electric welding pen through fastening bolts, the bottom inner wall of the placement groove is provided with an installation groove, and the bottom inner wall of the installation groove A fixed electromagnet is provided, the same positioning airbag is provided around the inner wall of the bottom of the placement groove, and a hollow rectangular frame is arranged on the top of the placement groove. The invention is applicable to the welding of excavating buckets of different sizes, which makes the welding more environmentally friendly and convenient, without the need to manually hold the sheet material, prevents dust from accumulating on one side of the filter screen plate and affects the filtering effect, and prevents the dust from falling into the placement tank to affect the welding effect .

The invention relates to an automatic production device for electric blankets capable of producing different types of electric blankets, comprising a first spreading device for electric blankets, an automatic winding device for electric blankets, a second spreading device for electric blankets and an electric blanket Automatic welding and cloth fetching device; the first spreading device for electric blankets is used for spreading and cutting the cloth for the first time and sending the laid electric blanket template to the next station; the automatic winding device for electric blankets is used for Carry out winding and send the electric blanket template with the electric heating wire to the next station; the electric blanket second spreading device is used for the second spreading, cutting and sending the laid electric blanket template The next station: electric blanket automatic welding and cloth taking device is used to weld the electric blanket and get the finished electric blanket. The invention can automatically produce different types of electric blankets, can align the positions of the electric blankets to realize precise processing, can work continuously, can realize automatic recovery and recycling of electric blanket templates, has high efficiency, and is convenient to use.

The invention provides an ultrasonic hot drilling device with an optical fiber laser lamp. The ultrasonic hot drilling device comprises an in intelligent system, a control box and a base. The intelligent system comprises a sensing device and a control device, the sensing device comprises a temperature sensor and a pressure sensor, the control device comprises the optical fiber laser lamp, a motor,an ultrasonic generator, a pneumatic telescopic rod and an electric valve, a motor box is welded on the control box, the pneumatic telescopic rod comprises an air cylinder and a telescopic rod, the air cylinder is welded on the inner side wall of the motor box via first motor bases, first mounting holes and second mounting holes are formed in the bottom of the control box, and the telescopic rodis welded on the inner side walls of the first mounting holes. The ultrasonic hot drilling device with the optical fiber laser lamp has the advantages that the ultrasonic hot drilling device is novelin design and has diversified functions, and the hot connection efficiency can be effectively improved.